function toggle () {
	$(this).toggleClass("hover");
}

(function($) {
	var cache = [];
	$.preLoadImages = function() {
		var args_len = arguments.length;
		for (var i = args_len; i--;) {
			var cacheImage = document.createElement('img');
			cacheImage.src = arguments[i];
			cache.push(cacheImage);
		}
	}
	jQuery.preLoadImages("/lib/img/bg/lc.jpg", "/lib/img/bg/cc.jpg","/lib/img/bg/rc.jpg");
})(jQuery)

$(function() { 
	if($("#startPage").length)
		$("#startPage .subcolumns > div").hover(toggle, toggle);
});